aurianamichelr1
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Which of the following are necessary when proving that the opposite angles of a parallelogram are congruent? Check all that apply.

ACorresponding parts of congruent triangles are congruent.
BAngle Addition Postulate.
CSegment Addition Postulate.
DCorresponding parts of similar triangles are similar.

Verified Answer :

LuciferSatan
ACorresponding parts of congruent triangles are congruent.

A. Corresponding parts of congruent triangles are congruent.

D. Corresponding parts of similar triangles are similar.

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